Changes to editors/emacs and Mk/bsd.emacs.mk were taken from
PR/137956 by Ashish SHUKLA (thanks!). [1]
Those ports which define EMACS_PORT_NAME to be "emacs21" were
not touched (this time). They may be converted to the new
world order by removing the above mentioned assignment.
Four ports were marked as BROKEN with EMACS_PORT_NAME=emacs23
(they do not compile):
. lang/bigloo;
. mail/wanderlust;
. mail/wanderlust-devel;
. www/emacs-w3m.
Three ports were marked as IGNORE with EMACS_PORT_NAME=emacs23: